diff --git a/poetry.lock b/poetry.lock
index 88d5353..94d6759 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -2379,15 +2379,22 @@ test = ["flake8", "mypy", "pytest"]
 
 [[package]]
 name = "sphinxcontrib-mermaid"
-version = "0.9.2"
+version = "1.0.0"
 description = "Mermaid diagrams in yours Sphinx powered docs"
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "sphinxcontrib-mermaid-0.9.2.tar.gz", hash = "sha256:252ef13dd23164b28f16d8b0205cf184b9d8e2b714a302274d9f59eb708e77af"},
-    {file = "sphinxcontrib_mermaid-0.9.2-py3-none-any.whl", hash = "sha256:6795a72037ca55e65663d2a2c1a043d636dc3d30d418e56dd6087d1459d98a5d"},
+    {file = "sphinxcontrib_mermaid-1.0.0-py3-none-any.whl", hash = "sha256:60b72710ea02087f212028feb09711225fbc2e343a10d34822fe787510e1caa3"},
+    {file = "sphinxcontrib_mermaid-1.0.0.tar.gz", hash = "sha256:2e8ab67d3e1e2816663f9347d026a8dee4a858acdd4ad32dd1c808893db88146"},
 ]
 
+[package.dependencies]
+pyyaml = "*"
+sphinx = "*"
+
+[package.extras]
+test = ["defusedxml", "myst-parser", "pytest", "ruff", "sphinx"]
+
 [[package]]
 name = "sphinxcontrib-qthelp"
 version = "1.0.3"
@@ -2649,4 +2656,4 @@ test = ["big-O", "jaraco.functools", "jaraco.itertools", "jaraco.test", "more-it
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.9,<3.13"
-content-hash = "28126f797ae24751d81d8d11ec2c091684056925994253ee279adaebed882125"
+content-hash = "af70a10c5d064b5f22dcfc2b703c8ec584f408648571e29d36439858920c62ea"
diff --git a/pyproject.toml b/pyproject.toml
index dfbaade..df296d6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ pytest = "^7.4.0"
 pytest-cov = ">=4.1,<6.0"
 Sphinx = "^6.0.0"
 myst-parser = ">=2,<4"
-sphinxcontrib-mermaid = "^0.9.0"
+sphinxcontrib-mermaid = ">=0.9,<1.1"
 cytominer-database = "^0.3.4"
 pycytominer = "^1.1.0"
 dunamai = "^1.19.0"